which of the following contributed to the quick victory for the U.S. in the Spanish-American War? Select all that apply:
A: The Rough Riders and Buffalo Soldiers won the Battle of San Juan Hill
B: The U.S navy took control of the Manila harbor in the Philippines.
C: The Spanish lost most of their troops to yellow fever, malaria, and typhoid fever.
D: The United States asked for assistance from the Mexican government.

Will give 40 points to anybody that gives the correct answer.